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Dynamic changes in large-scale functional connectivity prior to stimulation determine performance in a multisensory task frontiersin.org/journals/syste "changes of local power and of phase coupling across visual, auditory and parietal regions"; #multisensory #neuroscience

FrontiersFrontiers | Dynamic changes in large-scale functional connectivity prior to stimulation determine performance in a multisensory task

Duration adaptation depends on the perceived rather than physical duration and can be observed across sensory modalities journals.sagepub.com/doi/10.11 "duration adaptation relies on perceived duration and can occur across sensory modalities"; #crossmodal #multisensory #temporal #perception

"adapting to a subjectively matched #visual stimulus produced a significant aftereffect when the test stimulus was #auditory, indicating the existence of the cross-modal adaptation."

Hebbian #optocontrol of cross-modal disruptive reading in increasing acoustic noise in an adult with developmental coordination disorder: a case report mdpi.com/2076-3425/14/12/1208 #crossmodal #multisensory #neuroscience

MDPIHebbian Optocontrol of Cross-Modal Disruptive Reading in Increasing Acoustic Noise in an Adult with Developmental Coordination Disorder: A Case ReportAcoustic noise is known to perturb reading for good readers, including children and adults. This external acoustic noise interfering at the multimodal areas in the brain causes difficulties reducing reading and writing performances. Moreover, it is known that people with developmental coordination disorder (DCD) and dyslexia have reading deficits even in the absence of acoustic noise. The goal of this study is to investigate the effects of additional acoustic noise on an adult with DCD and dyslexia. Indeed, as vision is the main source of information for the brain during reading, a noisy internal visual crowding has been observed in many cases of readers with dyslexia, as additional mirror or duplicated images of words are perceived by these observers, simultaneously with the primary images. Here, we show that when the noisy internal visual crowding and an increasing external acoustic noise are superimposed, a reading disruptive threshold at about 50 to 60 dBa of noise is reached, depending on the type of acoustic noise for a young adult with DCD and dyslexia but not for a control. More interestingly, we report that this disruptive noise threshold can be controlled by Hebbian mechanisms linked to a pulse-modulated lighting that erases the confusing internal crowding images. An improvement of 12 dBa in the disruptive threshold is then observed with two types of acoustic noises, showing the potential utility of Hebbian optocontrol in managing reading difficulties in adults with DCD and dyslexia.

(2012) Stepwise connectivity of the modal cortex reveals the multimodal organization of the human brain jneurosci.org/content/32/31/10 "V-A results demonstrate that the posterior middle temporal gyrus" [...] "is engaged in the merging of direct connections between the visual and auditory cortex"

(2024) Reorganization of integration and segregation networks in brain-based visual impairment sciencedirect.com/science/arti #multisensory #crossmodal #neuroscience

Sense of smell relies on predictive coding more than vision neurosciencenews.com/olfaction "Unexpected odors activate both the olfactory and visual brain regions, suggesting a unique #multisensory processing strategy"

Olfactory categorization is shaped by a transmodal cortical network for evaluating perceptual predictions jneurosci.org/content/44/22/e1 "olfactory prediction errors are dependent on cross-sensory processing resources, whereas visual prediction errors are not"

Neuroscience News · Sense of Smell Relies on Predictive Coding More Than Vision - Neuroscience NewsNeuroscience News provides research news for neuroscience, neurology, psychology, AI, brain science, mental health, robotics and cognitive sciences.